turned SecantComputation methods to static
Merge branch 'master' of github.com:cathy888/AdvstatProject2
replaced PolynomialItem with Term
replaced PolynomialItem with Term
moved objects models to models.objects
made secantMethod() in Submit listener
removed unnecessary spaces
fixed getInput()
Limit: changed default value to -1
fixed spaces in BisectionIteration
added bisectionMethod() to Submit listener
removed warnings
made Validation model
fixed getInput()
Submit button gets input and displays output through sysout